Oxygen K-Edge Fine Structure of Tl1Ba2Can-1CunO2n+3 Studied by Electron Energy Loss Spectroscopy

Daisuke Shindo; Hiroshi Sato; Gerald L. Liedl; Darold Perry; Kenji Hiraga; Makoto Hirabayashi; Satoru Nakajima; Masae Kikuchi; Yasuhiko Syono; Kiichi Hojou; Takeshi Soga

doi:10.1143/JJAP.28.L955

Oxygen K-Edge Fine Structure of Tl₁Ba₂Ca_n-1Cu_nO_2n+3 Studied by Electron Energy Loss Spectroscopy

Daisuke Shindo, Hiroshi Sato, Gerald L. Liedl, Darold Perry, Kenji Hiraga, Makoto Hirabayashi, Satoru Nakajima, Masae Kikuchi, Yasuhiko Syono, Kiichi Hojou, Takeshi Soga

Center for Advanced Microscopy and Spectroscopy

Research output: Contribution to journal › Letter

14 Citations (Scopus)

Abstract

The fine structures of the oxygen K-edge in the Tl₁Ba₂Ca_n-1Cu_nO_2n+3 with single Tl-O layers were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy was sensitive to the number of Cu-O layers and the direction of momentum excitation. It was shown that the hole content in Tl₁Ba₂Ca_n-1Cu_nO_2n+3 decreases with the increase of n (n=2−4) and that most holes exist in the O 2p_{x, y} orbitals of 2-dimensional Cu-O planes.

Original language	English
Pages (from-to)	L955-L958
Journal	Japanese journal of applied physics
Volume	28
Issue number	6A
DOIs	https://doi.org/10.1143/JJAP.28.L955
Publication status	Published - 1989 Jun

Keywords

Electron energy loss spectroscopy
High-T
Hole concentration
Near-edge fine structure
Oxygen K-edge
Superconductor
Tl-Ba-Ca-Cu-O

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Shindo, D., Sato, H., Liedl, G. L., Perry, D., Hiraga, K., Hirabayashi, M., Nakajima, S., Kikuchi, M., Syono, Y., Hojou, K., & Soga, T. (1989). Oxygen K-Edge Fine Structure of Tl₁Ba₂Ca_n-1Cu_nO_2n+3 Studied by Electron Energy Loss Spectroscopy. Japanese journal of applied physics, 28(6A), L955-L958. https://doi.org/10.1143/JJAP.28.L955

Oxygen K-Edge Fine Structure of Tl₁Ba₂Ca_n-1Cu_nO_2n+3 Studied by Electron Energy Loss Spectroscopy. / Shindo, Daisuke; Sato, Hiroshi; Liedl, Gerald L.; Perry, Darold; Hiraga, Kenji; Hirabayashi, Makoto; Nakajima, Satoru; Kikuchi, Masae; Syono, Yasuhiko; Hojou, Kiichi; Soga, Takeshi.

In: Japanese journal of applied physics, Vol. 28, No. 6A, 06.1989, p. L955-L958.

Research output: Contribution to journal › Letter

Shindo, Daisuke ; Sato, Hiroshi ; Liedl, Gerald L. ; Perry, Darold ; Hiraga, Kenji ; Hirabayashi, Makoto ; Nakajima, Satoru ; Kikuchi, Masae ; Syono, Yasuhiko ; Hojou, Kiichi ; Soga, Takeshi. / Oxygen K-Edge Fine Structure of Tl₁Ba₂Ca_n-1Cu_nO_2n+3 Studied by Electron Energy Loss Spectroscopy. In: Japanese journal of applied physics. 1989 ; Vol. 28, No. 6A. pp. L955-L958.

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abstract = "The fine structures of the oxygen K-edge in the Tl1Ba2Can-1CunO2n+3 with single Tl-O layers were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy was sensitive to the number of Cu-O layers and the direction of momentum excitation. It was shown that the hole content in Tl1Ba2Can-1CunO2n+3 decreases with the increase of n (n=2−4) and that most holes exist in the O 2px, y orbitals of 2-dimensional Cu-O planes.",

keywords = "Electron energy loss spectroscopy, High-T, Hole concentration, Near-edge fine structure, Oxygen K-edge, Superconductor, Tl-Ba-Ca-Cu-O",

author = "Daisuke Shindo and Hiroshi Sato and Liedl, {Gerald L.} and Darold Perry and Kenji Hiraga and Makoto Hirabayashi and Satoru Nakajima and Masae Kikuchi and Yasuhiko Syono and Kiichi Hojou and Takeshi Soga",

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AU - Hiraga, Kenji

AU - Hirabayashi, Makoto

AU - Nakajima, Satoru

AU - Kikuchi, Masae

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AU - Soga, Takeshi

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AB - The fine structures of the oxygen K-edge in the Tl1Ba2Can-1CunO2n+3 with single Tl-O layers were investigated by electron energy loss spectroscopy (EELS). The peak corresponding to the hole state near the Fermi energy was sensitive to the number of Cu-O layers and the direction of momentum excitation. It was shown that the hole content in Tl1Ba2Can-1CunO2n+3 decreases with the increase of n (n=2−4) and that most holes exist in the O 2px, y orbitals of 2-dimensional Cu-O planes.

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